After the success of the School Fair concert, Haruki and Ogiso fall in love.  But the two of them still want to include Kazusa just like they have so far.  Kazusa answers by affirming her friendship with Setsuna, and on the surface things continue as before.  And before much time has passed at all, the second semester is over and winter break begins.  Setsuna and Kazusa drag Haruki on a Christmas hot springs vacation, and they enjoy their last big, fun, event.
I want you to slay this demon for me.
Ich möchte, dass du 
diesen Teufel für mich erledigst.
Quiero que caces a ese demonio por mí.
Acaba con este demonio por mí.
Je te confie
 la chasse aux démons.
Quero que você cace um 
demônio para mim.